1;****************************************************************************** 2;* V210 SIMD unpack 3;* Copyright (c) 2011 Loren Merritt <lorenm@u.washington.edu> 4;* Copyright (c) 2011 Kieran Kunhya <kieran@kunhya.com> 5;* 6;* This file is part of FFmpeg. 7;* 8;* FFmpeg is free software; you can redistribute it and/or 9;* modify it under the terms of the GNU Lesser General Public 10;* License as published by the Free Software Foundation; either 11;* version 2.1 of the License, or (at your option) any later version. 12;* 13;* FFmpeg is distributed in the hope that it will be useful, 14;* but WITHOUT ANY WARRANTY; without even the implied warranty of 15;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16;* Lesser General Public License for more details. 17;* 18;* You should have received a copy of the GNU Lesser General Public 19;* License along with FFmpeg; if not, write to the Free Software 20;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21;****************************************************************************** 22 23%include "libavutil/x86/x86util.asm" 24 25SECTION_RODATA 26 27v210_mask: times 4 dd 0x3ff 28v210_mult: dw 64,4,64,4,64,4,64,4 29v210_luma_shuf: db 8,9,0,1,2,3,12,13,4,5,6,7,-1,-1,-1,-1 30v210_chroma_shuf: db 0,1,8,9,6,7,-1,-1,2,3,4,5,12,13,-1,-1 31 32SECTION .text 33 34%macro v210_planar_unpack 2 35 36; v210_planar_unpack(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width) 37cglobal v210_planar_unpack_%1_%2, 5, 5, 7 38 movsxdifnidn r4, r4d 39 lea r1, [r1+2*r4] 40 add r2, r4 41 add r3, r4 42 neg r4 43 44 mova m3, [v210_mult] 45 mova m4, [v210_mask] 46 mova m5, [v210_luma_shuf] 47 mova m6, [v210_chroma_shuf] 48.loop 49%ifidn %1, unaligned 50 movu m0, [r0] 51%else 52 mova m0, [r0] 53%endif 54 55 pmullw m1, m0, m3 56 psrld m0, 10 57 psrlw m1, 6 ; u0 v0 y1 y2 v1 u2 y4 y5 58 pand m0, m4 ; y0 __ u1 __ y3 __ v2 __ 59 60 shufps m2, m1, m0, 0x8d ; y1 y2 y4 y5 y0 __ y3 __ 61 pshufb m2, m5 ; y0 y1 y2 y3 y4 y5 __ __ 62 movu [r1+2*r4], m2 63 64 shufps m1, m0, 0xd8 ; u0 v0 v1 u2 u1 __ v2 __ 65 pshufb m1, m6 ; u0 u1 u2 __ v0 v1 v2 __ 66 movq [r2+r4], m1 67 movhps [r3+r4], m1 68 69 add r0, mmsize 70 add r4, 6 71 jl .loop 72 73 REP_RET 74%endmacro 75 76INIT_XMM 77v210_planar_unpack unaligned, ssse3 78%if HAVE_AVX_EXTERNAL 79INIT_AVX 80v210_planar_unpack unaligned, avx 81%endif 82 83INIT_XMM 84v210_planar_unpack aligned, ssse3 85%if HAVE_AVX_EXTERNAL 86INIT_AVX 87v210_planar_unpack aligned, avx 88%endif 89